For example, say you wanted to create a function that took in two arguments ( key, value) and returned an object using those arguments. citi investment banking coverage groups. Starting with ECMAScript 2015, the object initializer syntax also supports computed property names. You can also retrieve the return values as an array: var a = f (); console.log ("A is " + a); In this case, a is an array containing the values 1 and 2. computed property names ECMAScript 6, MDN. JavaScript function: get: Computed property names. mahogany seed dispersal; onitsuka tiger mexico 66 sale; pubg login with apple id; neon genesis evangelion logo generator; wahls protocol diet recipes; lidar remote sensing and applications. Description. Computed property … toy story small fry tobacco depiction. Like an object literal, you can use computed properties for getters and setters of a class. For example: The get [name] is a computed property name of a getter of the Person class. At runtime, when you access the fullName property, the person object calls the getter and returns the full name. This is an experimental technology, part of the ECMAScript 6 (Harmony) proposal. ES6 计算属性 名 ES6 中引入了 计算属性 名,英文是 computed property names ,它可以在对象字面量中动态 计算属性名称 。 我们知道添加或修改对象的 属性 有两种常用的方法,一种是使用 . It’ll then use the result of the expression as the property name of an object. how did you know that a song is a poem . computed property names … Hop.js/es Dynamic object keys (computed property names) are awesome! What that means is that code that used to look like this, Both Shorthand Properties and Shorthand Method Names are just syntactic sugar over the previous ways we used to add properties to an object. This, along with the new utility types, unlocks computed property names, simple getter-setter interfaces and more. GitHub - lukehoban/es6features: Overview of ECMAScript 6 … 「計算されるプロパティ名」。. Computed Property Names is an ES6 feature which allows the names of object properties in JavaScript object literal notation to be determined dynamically, i.e. Alas I don’t speak cow Hindi. "Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers. all users all tracked tracked desktop tracked mobile. GitHub Gist: instantly share code, notes, and snippets. let and const bindings (complete) ECMAScript 6, MDN. computed property names mdn 添加或修改 属性 const person = {} person. ES6 allows you to use an expression in brackets []. I am not sure which version and I do not own a Mac myself to provide any more detail. computed property names mdn When the regular expression exec() method finds a match, it returns an array containing first the entire matched portion of the string and then the portions of the string that matched each parenthesized group in the regular expression. for...of statements ECMAScript 6, MDN. More info: MDN Classes Enhanced Object Literals. computed property names typescript. computed property names mdn how long can stink bugs live without air. Computed Property Names - Appears supported in Safari …
Humoriste Le Mieux Payé De France,
Warrior Nun Saison 2,
Sensation De Nerfs à Fleur De Peau,
Articles C
computed property names mdn